In the north people sometimes tie straw ropes (草绳) round the trees in winter to ______ them from the cold.

   A. stop                     B. prevent                C. save                   D. protect

 It’s time that you __________ the whole book.

   A. must go over     B. can go over          C. went over            D. have gone over

 When will you ___________ the entrance examinations, next June or next July ?

A. join                 B. join in                   C. take                     D. take part in

 If it is quite ___________ to you, I will visit you next Tuesday.

A. convenient        B. fair                      C. easy                     D. comfortable

 Jane hopes to become a friend of ____________ shares her interests.

   A. whomever      B. anyone                 C. whoever              D. no matter who

 Each player tried his best to _________ the game.

　 A. beat　　         B. defeat                 C. catch　　             D. win

 He is always telling lies. Don’t be __________ by his sweet words.

   A. taken on         B. taken over             C. taken in               D. taken away

 _______ the days going on, the weather is becoming hotter and hotter.

   A. With            B. Since                  C. While                  D. As

 We tried to ______ his doubts and let him tell the truth.

   A. replace          B. review                 C. remove                 D. rebuild

 Advertisements are a good __________ sell products or services.

   A. means to        B. way of                 C. way to                         D. approach to